100181340 has 192 divisors, whose sum is σ = 377395200. Its totient is φ = 21537792.

The previous prime is 100181339. The next prime is 100181363. The reversal of 100181340 is 43181001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63481 + ... + 65039.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^100181340 is an apocalyptic number.

100181340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100181340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

100181340 is an abundant number, since it is smaller than the sum of its proper divisors (277213860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100181340 is a wasteful number, since it uses less digits than its factorization.

100181340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 100181340 is about 10009.0628931983. The cubic root of 100181340 is about 464.4392825106.

The spelling of 100181340 in words is "one hundred million, one hundred eighty-one thousand, three hundred forty".